codewars+laba1+laba2+tests

codewars/Adding Big Numbers/1zad.js

@@ -0,0 +1,21 @@
+function addbignumbbignumb(a, b) {
+    while (a.length < b.length) a = '0' + a;
+    while (b.length < a.length) b = '0' + b;
+
+    let carr = 0;
+    let result = '';
+
+    for (let i = a.length - 1; i >= 0; i--) {
+        let sum = parseInt(a[i]) + parseInt(b[i]) + carr;
+        carr = Math.floor(sum / 10);
+        result = (sum % 10) + result;
+    }
+    if (carr > 0) {
+        result = carr + result;
+    }
+
+    return result;
+}
+
+let result = addbignumbbignumb("12331321134145151351", "32123414321424124312341242");
+console.log(result);

codewars/Anagram difference/2zad.js

@@ -0,0 +1,30 @@
+function smr(word, wb2) {
+    for (let j = 0; j < wb2.length; j++) {
+        if (word === wb2[j]) {
+            wb2.splice(j, 1);
+            return word;
+        }
+    }
+    return null;
+}
+
+function anargramDif(w1, w2) {
+    let wb1 = w1.split("");
+    let wb2 = w2.split("");
+    let box_of_repeat = [];
+
+    for (let i = 0; i < wb1.length; i++) {
+        let res_word = smr(wb1[i], wb2);
+        if (res_word !== null) {
+            box_of_repeat.push(res_word);
+            wb1.splice(i, 1); 
+            i--; 
+        }
+    }
+
+    let final_result = (wb1.length + wb2.length);
+    return final_result;
+}
+
+let result = anargramDif("codewars", "hackerrank");
+console.log(result);

codewars/Array Deep Count/3zad.js

@@ -0,0 +1,24 @@
+function adc(word){
+    if (Array.isArray(word)) {
+        console.log("yes");
+        let count = Count(word);
+        return count + 1;
+    }
+    else {
+        console.log("no");
+        return(1);
+    }
+}
+
+
+function Count(is_here_anyobj){
+    let Global_count = 0;
+    for (let i = 0; i < is_here_anyobj.length; i++){
+        let pre_res = adc(is_here_anyobj[i]);
+        Global_count += pre_res;
+    }
+    return(Global_count);
+  }
+let arr = [1, 2, 3];
+let result = Count(arr);
+console.log(result);

codewars/Build Tower/4zad.js

@@ -0,0 +1,18 @@
+function TowerMaker(number_of_blocks){
+    let pyrimidecanvas = [];
+    let number_of_space = number_of_blocks - 1;
+    let counting_stars = 1;
+    for (let i = 0; i < number_of_blocks; i++){
+        let floor_pyrimidecanvas = ' '.repeat(number_of_space) + "*".repeat(counting_stars) + ' '.repeat(number_of_space);
+        pyrimidecanvas.push(floor_pyrimidecanvas);
+        counting_stars += 2;
+        number_of_space -=1;
+    }
+    return(pyrimidecanvas);
+  }
+
+  let pyrimidecanvas_floor = TowerMaker(5);
+
+  let formattedpyrimidecanvas = '[\n  ' + pyrimidecanvas_floor.map(line => `"${line}"`).join(',\n  ') + '\n]';
+
+  console.log(formattedpyrimidecanvas);

codewars/Convert string to camel case/5zad.js

@@ -0,0 +1,16 @@
+function CS(str){
+    let result = "";
+        for (i = 0; i < str.length; i++) {
+            if (str[i] == "-" || str[i] == "_") {
+                i++;
+                result += str[i].toUpperCase();
+            }
+            else{
+                result += str[i];
+            }
+        }
+        return(result);
+    }
+
+    let guess_word = CS("the-stealth_warrior");
+    console.log(guess_word);

codewars/Duplicate Encoder/6zad.js

@@ -0,0 +1,24 @@
+function duplicateEncode(word){
+    let splitword = word.toLowerCase().split('');
+
+    let convertext = [];
+
+    for (let i = 0; i < splitword.length; i++) {
+        let count = 0;
+        for (let j = 0; j < splitword.length; j++){
+            if (splitword[i] === splitword[j]){
+                count++;
+            }
+        }
+        if (count > 1) {
+            convertext.push(")");
+        } else {
+            convertext.push("(");
+        }
+    }
+
+    return convertext.join('');
+}
+
+let result = duplicateEncode("dir");
+console.log(result);

codewars/Find the missing letter/7zad.js

@@ -0,0 +1,17 @@
+function Findmissletter(array)
+{
+    for (let i = 0; i < array.length; i++) {
+        let currentCharCode = array[i].charCodeAt(0);
+        let nextCharCode = array[i+1].charCodeAt(0);
+
+        if (nextCharCode !== currentCharCode + 1){
+            return String.fromCharCode(currentCharCode + 1);
+        }
+    }
+}
+
+
+
+let arr = ["b", "c", "e"];
+let result = Findmissletter(arr);
+console.log(result);

codewars/Flatten a Nested Map/8zad.js

@@ -0,0 +1,33 @@
+function flattenaNestedMap(map, keys = '', res = {}) {
+    let temp_massiv_map = Object.keys(map);
+
+    if (temp_massiv_map.length === 0) {
+        return res;
+    }
+
+    for (let i = 0; i < temp_massiv_map.length; i++) {
+        let key = temp_massiv_map[i];
+        let newKey = keys ? `${keys}/${key}` : key;
+
+        if (typeof map[key] === 'object' && map[key] !== null && !Array.isArray(map[key])) {
+            flattenaNestedMap(map[key], newKey, res);
+        } else {
+            res[newKey] = map[key];
+        }
+    }
+
+    return res;
+}
+
+let mops = {
+    'a': {
+        'b': {
+            'c': 12,
+            'd': 'Hello World'
+        },
+        'e': [1, 2, 3]
+    }
+};
+
+let result = flattenaNestedMap(mops);
+console.log(result);

codewars/Fun with tree - max sum/9zad.js

@@ -0,0 +1,30 @@
+function havefunwithtree(root) {
+    if (root === null) {
+        return 0;
+    }
+
+    if (root.left === null && root.right === null) {
+        return root.value;
+    }
+
+    const leftSum = root.left ? havefunwithtree(root.left) : -Infinity;
+    const rightSum = root.right ? havefunwithtree(root.right) : -Infinity;
+
+    return root.value + Math.max(leftSum, rightSum);
+}
+
+const tree1 = new TreeNode(
+    17,
+    new TreeNode(3, new TreeNode(2)),
+    new TreeNode(-10, new TreeNode(16), new TreeNode(1, new TreeNode(13)))
+);
+
+console.log(havefunwithtree(tree1));
+
+const tree2 = new TreeNode(
+    5,
+    new TreeNode(4, new TreeNode(-80), new TreeNode(-60)),
+    new TreeNode(10, new TreeNode(-90))
+);
+
+console.log(havefunwithtree(tree2));

codewars/Linked Lists - Sorted Insert/10zad.js

@@ -0,0 +1,56 @@
+class Node {
+    constructor(data) {
+        this.data = data;
+        this.next = null;
+    }
+}
+
+function sortins(head, data) {
+    let newNode = new Node(data);
+
+    if (!head || data < head.data) {
+        newNode.next = head;
+        return newNode;
+    }
+
+    let current = head;
+    while (current.next && current.next.data < data) {
+        current = current.next;
+    }
+
+    newNode.next = current.next;
+    current.next = newNode;
+
+    return head;
+}
+
+function printLinkedlist(head) {
+    let current = head;
+    let result = [];
+    while (current) {
+        result.push(current.data);
+        current = current.next;
+    }
+    console.log(result.join(' -> '));
+}
+
+let list1 = new Node(1);
+list1.next = new Node(2);
+list1.next.next = new Node(3);
+
+let newHead1 = sortins(list1, 4);
+printLinkedlist(newHead1);
+
+let list2 = new Node(1);
+list2.next = new Node(7);
+list2.next.next = new Node(8);
+
+let newHead2 = sortins(list2, 5);
+printLinkedlist(newHead2);
+
+let list3 = new Node(3);
+list3.next = new Node(5);
+list3.next.next = new Node(9);
+
+let newHead3 = sortins(list3, 7);
+printLinkedlist(newHead3);

codewars/Merge two arrays/11zad.js

@@ -0,0 +1,19 @@
+function mergeAr(a, b) {
+    let box = [];
+    for (let i = 0; i < a.length; i++){
+        if(i >= a.length){
+            box.push(b[i]);
+        }
+        else if(i >= b.length){
+            box.push(a[i]);
+        }
+        else{
+            box.push(a[i]);
+            box.push(b[i]);
+        }
+  }
+  return(box);
+}
+
+  let result = mergeAr(["a", "b", "c", "d", "e", "f"], [1, 2, 3]);
+  console.log(result);

codewars/Moving Zeros To The End/12zad.js

@@ -0,0 +1,17 @@
+function movingZerostoTheEnd(arr) {
+    let arwz = [];
+    let arrzero = [];
+    for (let i = 0; i < arr.length; i++){
+        if (arr[i] === 0){
+            arrzero.push(arr[i]);
+        }
+        else{
+            arwz.push(arr[i]);
+        }
+    }
+    return arwz.concat(arrzero);
+}
+
+
+result = movingZerostoTheEnd([false,1,0,1,2,0,1,3,"a"]);
+console.log(result);

codewars/Permutations/13zad.js

@@ -0,0 +1,26 @@
+function permutations(str) {
+    if (str.length <= 1) {
+        return [str];
+    }
+
+    const resultSet = new Set();
+
+    for (let i = 0; i < str.length; i++) {
+        const char = str[i];
+        const remainingChars = str.slice(0, i) + str.slice(i + 1);
+        const remainingPermutations = permutations(remainingChars);
+
+        for (const perm of remainingPermutations) {
+            resultSet.add(char + perm);
+        }
+    }
+
+    return Array.from(resultSet);
+}
+
+const input = "aabb";
+const permutationsut = permutations(input);
+
+const formattedOutput = permutationsut.map(permutations => `'${permutations}'`);
+
+console.log(`[${formattedOutput.join(', ')}]`);

codewars/Product of consecutive Fib numbers/14zad.js

@@ -0,0 +1,19 @@
+function Fubnumbers(prod) {
+    let a = 0;
+    let b = 1;
+
+    while (a * b < prod) {
+        let next = a + b;
+        a = b;
+        b = next;
+    }
+
+    if (a * b === prod) {
+        return [a, b, true];
+    } else {
+        return [a, b, false];
+    }
+}
+
+console.log(Fubnumbers(714));
+console.log(Fubnumbers(800));